diff --git a/heartbeat/monitors/active/http/simple_transp.go b/heartbeat/monitors/active/http/simple_transp.go
index 21fef7f7f6af..889baa8e5a1e 100644
--- a/heartbeat/monitors/active/http/simple_transp.go
+++ b/heartbeat/monitors/active/http/simple_transp.go
@@ -184,7 +184,6 @@ func (t *SimpleTransport) readResponse(
 ) (*http.Response, error) {
 	reader := bufio.NewReader(conn)
 	resp, err := http.ReadResponse(reader, req)
-	resp.Body = comboConnReadCloser{conn, resp.Body}
 	if err != nil {
 		return nil, err
 	}